a1 Department of Pediatric Cardiology and Nephrology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
(Received January 28 2011)
(Accepted May 02 2011)
(Online publication June 23 2011)
Correspondence:
c1 Correspondence to: Dr T. Oka, MD, PhD, 465 Kajiicho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 802-8566, Japan. Tel: +81 75 251 5832; Fax: +81 75 251 5833; E-mail: okatastu@koto.kpu-m.ac.jp